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that you do not notice it, but the sensors of the Wristop Computer do. Because the Wristop Computer measures
ascent and descent based on changes in air pressure, it interprets these changes as vertical movement.
5.4. baroMeTer
5.4.1. what is the little box on the top left of the display?
It is the barometric trend indicator that shows the general direction of weather changes. the display is based
on barometer measurements for the last 6 hours.
5.4.2. does the wristop Computer show future trends in weather
conditions?
no, the Wristop Computer continually accumulates data on barometric pressure existent within a 3 to 6 hour
window and displays general barometric trends in weather based on the accumulated data.
5.4.3. what does “absolute pressure” and “relative pressure”
mean?
absolute pressure is the actual pressure in any location at any given time. relative pressure on the other hand
equals the corresponding pressure at sea level for a certain altitude that you are at. for example, if you are
at an altitude of 1,000 m/3,300 ft the absolute pressure normally is around 900 mbar/26.60 inHg. the relative
pressure at sea level would then be around 1,013 mbar/29.90 inHg.
5.4.4. what is temperature compensation?
When the unit is temperature compensated, the altitude measurement of the unit is not affected by the temperature
of the unit itself. the unit can be worn on your wrist or placed on a table – it will in either case give you the
proper altitude reading providing the weather conditions have not changed. all Suunto Wristop Computers are
temperature compensated within the range - 5 to 140 °f / - 20 to +60 °C.
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